ABB 1SDA066761R1 Moulded Case Circuit Breaker - TMF 40-400

Front-terminal, fixed four-pole TMF release simplifies wiring and speeds commissioning in panel assemblies. The straightforward front access minimizes wiring mistakes and reduces installation time, delivering measurable labor savings on multi-bay switchgear environments. In practice, integrators appreciate the reliable front-terminal connection for clean test points and faster fault isolation in high-density control panels. Rated main current is 40 A with 690 V insulation voltage and 550 V operating voltage, supporting both AC and DC applications. Business impact: this alignment prevents oversizing, reduces energy waste, and improves system protection coordination with upstream devices. Application: it works across feeders, motor circuits, and transformer protection within distribution panels. Short-circuit capacities are specified as Ics up to 50 kA at 240 V, 18 kA at 380 V, 7.5 kA at 415 V, 6.25 kA at 440 V, 4.5 kA at 480 V, 2.5 kA at 500 V, and 2 poles in series 5 kA at 250 V DC. Business impact: ensures safe fault clearing under diverse grid conditions and allows precise coordination with upstream devices. Application: suitable for transformer protection and generation protection in industrial plants. Electrical durability is rated at 1500 cycles and mechanical durability at 8500 operations, supporting long service life with frequent switching. Opening time is 15 ms for either SOR or UVR operation, enabling fast isolation during faults. Power loss is 4.5 W per pole under rated conditions, contributing to efficient thermal management in compact enclosures. Dimensions and weight match 101.6 mm width, 130 mm height, and 60 mm depth with a 1 kg net weight, enabling compact panel layouts and straightforward heat dissipation. Documentation includes data sheets (1SDC210032D0204) and wiring diagrams (Formula A1-A2), plus RoHS, REACH, CMRT, TSCA declarations and packaging disposal guidance. This combination supports fast audits, reduces risk, and simplifies global deployments. Compatibility with SACE Formula installations and standard panel architectures is ensured by the four-pole topology and front-terminal connections. The TMF release supports reliable control logic and rapid fault clearance, while the compact footprint facilitates retrofits and future upgrades in existing switchgear.